SSHDs (Solid-State Hybrid Drives) were a short-lived concept that aimed to combine the best of both worlds: fast SSD performance and cost-effective HDD storage. However, they failed to deliver on their promise due to constant NAND flash overwriting, slow HDD-like performance, and limited lifespan.
Unlike traditional HDDs, SSHDs relied on flash memory to cache frequently accessed files, allowing for faster boot times and application load speeds. But in reality, the technology rarely lived up to its potential, and most users experienced HDD-level performance most of the time. Even when repeatedly loading the same app or booting the system multiple times, performance would only be slightly faster.
Moreover, SSHDs still used platters for storage, making them prone to noise, shocks, and data recovery issues in the event of a disk failure. As SSD prices continued to drop rapidly, it became harder to justify the use of SSHDs over traditional HDDs or SSD+HDD setups.
Today, with SSDs affordable for everyone, there’s no longer any reason for SSHDs to exist in the market. While some nostalgic fans like the author still hold out hope for an actual comeback, it seems unlikely given the technology’s limitations and declining demand.
Source: https://www.howtogeek.com/everyone-said-this-storage-could-be-the-future-heres-why-it-failed